Hydromechanical loading and compressibility of fibrous reinforcements

Ouagne, Pierre; Bréard, Joël; Ouahbi, Tariq; Park, Chung; Saouab, Abdelghani; Chatel, Sylvain

doi:10.1007/s12289-008-0250-6

Cited by 3 publications

(1 citation statement)

References 9 publications

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“…Other researchers [18][19][20] in their studies set an experimental device to impose hydro-mechanical loadings to fibrous preforms. Despite the fact that the device can be used to measure permeability and compressibility in a classical manner, its originality resides in the possibility of compressing the fibrous network at the same time as the fluid is injected through the fibres.…”

Section: Introductionmentioning

confidence: 99%

New methodology to determine the compressibility curve in a RIFT process

Sorrentino

Bellini

Gerevini

2013

Journal of Composite Materials

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In liquid resin infusion processes, the compression phase and the resin flow are important stages that influence the quality of the obtained parts. In this study, an experimental device is presented to measure thickness and pressure variations in order to obtain an experimental compressibility curve that can be implemented in a software dedicated to numerical simulations. To perform these experiments no typical compression testing machine is required and there is no test fluid. The aim of this work is to present a new methodology in order to obtain an empirical relation to determine the compressibility as a power law function. In order to evaluate the reliability of the proposed methodology, the obtained experimental curve is compared with another curve achieved performing standard compaction test.

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Section: Introductionmentioning

confidence: 99%

New methodology to determine the compressibility curve in a RIFT process

Sorrentino

Bellini

Gerevini

2013

Journal of Composite Materials

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Continuous transverse permeability of fibrous media

Ouagne

Bréard

2010

Composites Part A: Applied Science and Manufacturing

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Compression and Relaxation Behavior of Dry Fiber Preforms for Resin Transfer Molding

Lee

Han

Kim

et al. 2010

Journal of Composite Materials

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Compression and relaxation behavior of various fiber preforms for resin transfer molding was investigated experimentally through compression, relaxation, and decompression procedures. A simple Maxwell model was used in order to predict the nonlinear compression and relaxation behavior, and numerical simulation was performed for a unit cell of the fiber preform by using the finiteelement method. As the fiber volume fraction is larger than 0.4, compressive stresses acting on the woven fabric increased linearly with increasing fiber volume fraction. A typical hysteresis occurred due to relaxation behavior of the fiber preform during compression and decompression test. It was also found that numerical analysis yields slightly lower displacement field than experimental results under the same compressive force. However, experimental results were in good agreement with the analytic results obtained by considering the viscoelasticity of fiber preforms.

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Hydromechanical loading and compressibility of fibrous reinforcements

Cited by 3 publications

References 9 publications

New methodology to determine the compressibility curve in a RIFT process

New methodology to determine the compressibility curve in a RIFT process

Continuous transverse permeability of fibrous media

Compression and Relaxation Behavior of Dry Fiber Preforms for Resin Transfer Molding

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